CN102865258B - A kind of low-energy consumption steam jet vacuum pump - Google Patents
A kind of low-energy consumption steam jet vacuum pump Download PDFInfo
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- CN102865258B CN102865258B CN201210394379.XA CN201210394379A CN102865258B CN 102865258 B CN102865258 B CN 102865258B CN 201210394379 A CN201210394379 A CN 201210394379A CN 102865258 B CN102865258 B CN 102865258B
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- mixing chamber
- chamber
- explosion chamber
- compressing section
- steam
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to a kind of low-energy consumption steam jet vacuum pump, comprise main jet, mixing chamber and explosion chamber, the main jet stretched in mixing chamber is installed in mixing chamber front end, mixing chamber rear end series connection explosion chamber, mixing chamber sidewall opens suction port, and its innovative point is: described mixing chamber volume is 9-11 times that explosion chamber trunnion segment body amasss; Two-stage Compression before and after explosion chamber compressing section adopts, the prime compressing section gradient is 12 °, and the rear class compressing section gradient is 10 °, arranges chuck outside the compressing section of described explosion chamber and trunnion section, chuck has insulation steam inlet/outlet.Advantage is: provide steam to continue expansion space, better can mix, reduce mixing resistance simultaneously with pumped gas, explosion chamber compressing section becomes twin-stage by original single stage compression, prevent steam from getting on mixing chamber, second mixed gas velocity variations is more steady, reduces steam power loss; Increase insulation jacket, avoid the steam sprayed by nozzle to reach the freezing point causing icing.
Description
Technical field
The present invention relates to a kind of low-energy consumption steam jet vacuum pump, particularly a kind of effective low-energy consumption steam jet vacuum pump of bleeding.
Background technique
Low-energy consumption steam jet vacuum pump, because rate of air sucked in required is large, operating range is wide, structure is simple, do not have the parts of relative movement, is a kind of broad-spectrum vacuum equipment, is mainly used in the aspects such as degasification, decolouring, drying, deodorization, distillation, refrigeration and conveying.Particularly it is to suction gas non-selectivity, in food production, petrochemical industry, fats and oils processing, production of polyester, containing occasions such as the material of organic solvent concentrate, demonstrates remarkable advantage compared with oil-sealed rotary pump.
Low-energy consumption steam jet vacuum pump explosion chamber traditional at present adopts single stage compression, and the fluctuation of mixed gas velocity variations is larger; Because steam expansion degree reaches more than 4000, the steam sprayed by single nozzle can reach the freezing point, and easy icing effect is bled, and single nozzle compressing section adopts straight transitions, and both vapor compression stroke is large, and pumping efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of effective low-energy consumption steam jet vacuum pump of bleeding.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of low-energy consumption steam jet vacuum pump, comprise main jet, mixing chamber and explosion chamber, the main jet stretched in mixing chamber is installed in mixing chamber front end, mixing chamber rear end series connection explosion chamber, mixing chamber sidewall opens suction port, and explosion chamber is divided into compressing section, trunnion section and diffuser from front to back successively; Its innovative point is: described mixing chamber volume is 9-11 times that explosion chamber trunnion segment body amasss; Two-stage Compression before and after explosion chamber compressing section adopts, the prime compressing section gradient is 12 °, and the rear class compressing section gradient is 10 °, arranges chuck outside the compressing section of described explosion chamber and trunnion section, chuck has insulation steam inlet/outlet.
Further, described insulation steam inlet is arranged on outside the prime compressing section of explosion chamber, and insulation steam (vapor) outlet is arranged on outside the trunnion section of explosion chamber.
The invention has the advantages that:
1 mixing chamber volume and explosion chamber trunnion section volume ratio increase, and object is to provide steam and continues expansion space, better can mix, reduce mixing resistance simultaneously with pumped gas;
2 explosion chamber compressing sections become twin-stage by original single stage compression, prevent steam from getting on mixing chamber, and second mixed gas velocity variations is more steady, reduces steam power loss;
3 increase insulation jacket, avoid the steam sprayed by nozzle to reach the freezing point causing icing.
Accompanying drawing explanation
Fig. 1 is low-energy consumption steam jet vacuum pump structural representation of the present invention.
Embodiment
As shown in Figure 1, the main jet 1 stretching into mixing chamber 2 is installed in mixing chamber 2 front end, and rear end arranges explosion chamber, and mixing chamber 2 sidewall opens suction port a.
Explosion chamber is divided into compressing section 31, trunnion section 32 and diffuser 33 from front to back successively; Mixing chamber volume 2 is 9-11 times of explosion chamber trunnion section 32 volume.Two-stage Compression before and after explosion chamber compressing section 31 adopts, the prime compressing section gradient is 12 °, and the rear class compressing section gradient is 10 °, outside the compressing section of explosion chamber and trunnion section, arrange chuck 4, chuck 4 has insulation steam inlet b, insulation steam (vapor) outlet c.
Insulation steam inlet b is arranged on outside the prime compressing section of explosion chamber, and insulation steam (vapor) outlet c is arranged on outside the trunnion section 32 of explosion chamber.
Claims (2)
1. a low-energy consumption steam jet vacuum pump, comprise main jet, mixing chamber and explosion chamber, the main jet stretched in mixing chamber is installed in mixing chamber front end, mixing chamber rear end series connection explosion chamber, mixing chamber sidewall opens suction port, and explosion chamber is divided into compressing section, trunnion section and diffuser from front to back successively; It is characterized in that: described mixing chamber volume is 9-11 times that explosion chamber trunnion segment body amasss; Two-stage Compression before and after explosion chamber compressing section adopts, the prime compressing section gradient is 12 °, and the rear class compressing section gradient is 10 °, arranges chuck outside the compressing section of described explosion chamber and trunnion section, chuck has insulation steam inlet/outlet.
2. low-energy consumption steam jet vacuum pump according to claim 1, is characterized in that: described insulation steam inlet is arranged on outside the prime compressing section of explosion chamber, and insulation steam (vapor) outlet is arranged on outside the trunnion section of explosion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394379.XA CN102865258B (en) | 2012-10-17 | 2012-10-17 | A kind of low-energy consumption steam jet vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394379.XA CN102865258B (en) | 2012-10-17 | 2012-10-17 | A kind of low-energy consumption steam jet vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102865258A CN102865258A (en) | 2013-01-09 |
| CN102865258B true CN102865258B (en) | 2015-10-07 |
Family
ID=47444323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210394379.XA Active CN102865258B (en) | 2012-10-17 | 2012-10-17 | A kind of low-energy consumption steam jet vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102865258B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4586873A (en) * | 1983-11-10 | 1986-05-06 | Bertin & Cie | Mixer-ejector with jet effect and variable cross-section |
| CN2160847Y (en) * | 1993-05-18 | 1994-04-06 | 谷金根 | Jet fume extractor |
| CN1308991A (en) * | 2000-12-29 | 2001-08-22 | 魏仕英 | Steam injector |
| US6312230B1 (en) * | 1998-04-17 | 2001-11-06 | Evgueni D. Petroukhine | Liquid-gas jet apparatus variants |
| CN201326588Y (en) * | 2008-12-25 | 2009-10-14 | 无锡四方电炉有限公司 | Steam jet vacuum pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0502495D0 (en) * | 2005-02-07 | 2005-03-16 | Boc Group Plc | Ejector pump |
-
2012
- 2012-10-17 CN CN201210394379.XA patent/CN102865258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4586873A (en) * | 1983-11-10 | 1986-05-06 | Bertin & Cie | Mixer-ejector with jet effect and variable cross-section |
| CN2160847Y (en) * | 1993-05-18 | 1994-04-06 | 谷金根 | Jet fume extractor |
| US6312230B1 (en) * | 1998-04-17 | 2001-11-06 | Evgueni D. Petroukhine | Liquid-gas jet apparatus variants |
| CN1308991A (en) * | 2000-12-29 | 2001-08-22 | 魏仕英 | Steam injector |
| CN201326588Y (en) * | 2008-12-25 | 2009-10-14 | 无锡四方电炉有限公司 | Steam jet vacuum pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102865258A (en) | 2013-01-09 |
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